对于一次性使用，可以更容易地在一个本地临时目录中构建密匙环，生成并交换证书，然后将完成的密匙环文件移动到它们的最终目标位置。

For one-time use, it would be easier to build the keyrings in a local temporary directory, generate and exchange the certificates, and then move the finished keyring files to their final destinations.

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而事实上，证书可能会散放在某人的工作站或移动电脑上，并且提供的物理访问控制非常小，这进一步复杂化了该问题。

This is compounded by the fact that the certificate may be "in the wild" on somebody's workstation or mobile computer with minimal physical access controls.

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无线pki技术在移动电子商务中扮演着重要角色，而证书状态查询机制是其关键部件。

WPKI plays an important role in mobile e-commerce, and the certificate retraction technology is its key component.

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